Features Very compact units featuring retained collets and positive tube anchorage. Non-PTFE based thread sealant on all BPZA taper threads. Easy tube insertion for rapid assembly. Internal hexagon on straight adaptors allows assembly in confined spaces. For simple and quick assembly of pneumatic circuits. Wide range of types available. Reliable and corrosion resistant. Technical data Medium: Compressed air. Operating pressure: Vacuum - 18 bar unless otherwise stated dependant upon tubing specification. Ambient temperature: -20° C to +80° C. Materials Body Collet: Nickel plated brass or glass filled nylon. 'O'-ring: Nitrile Rubber. Sealing washer (parallel threads): Nitrile 'O'-ring. Thread sealant: Non-PTFE. Tube sizes 4mm, 5mm, 6mm, 8mm, 10mm & 12mm o. D. Warning: The push-in tube fittings in this section must not be used in vehicle air braking and ancillary systems. For push-in fittings suitable for these applications please contact us for details. Tube types Nylon 11 or 12, polyurethane* and other plasticised or unplasticised tubing which conforms to the tolerances specified in BS5409/1: 1976, light and normal duty, DIN 73378, DIN 7434, NFE 49-100. * It should be light-stable and have a hardness of 92 to 98 shore A. Torque figures Thread sealant is applied to the full circumference of the thread. The recommended tightening torque figures foritems with thread sealant are as following: R1/8" thread - 6.86 - 8.82 tightening torque (Nm) R1/4" thread - 11.76 - 13.72 tightening torque (Nm) R3/8" thread - 21.56 - 23.52 tightening torque (Nm) R1/2" thread - 27.44 - 29.40 tightening torque (Nm)